c#-4.0

问题 I've created my own custom pseudo enumerations within my domain model to allow me to have some more verbose values. For example, my class is as follows: public abstract class Enumeration<X, Y> : IComparable where X : IComparable { public Enumeration(X value, Y displayName) { } public Y DisplayName { get { return _displayName; } } public X Value { get { return _value; } } } And a class that inherits it would be: public class JobType : Enumeration<string, string> { public static JobType

问题 I've created my own custom pseudo enumerations within my domain model to allow me to have some more verbose values. For example, my class is as follows: public abstract class Enumeration<X, Y> : IComparable where X : IComparable { public Enumeration(X value, Y displayName) { } public Y DisplayName { get { return _displayName; } } public X Value { get { return _value; } } } And a class that inherits it would be: public class JobType : Enumeration<string, string> { public static JobType

问题 I've created my own custom pseudo enumerations within my domain model to allow me to have some more verbose values. For example, my class is as follows: public abstract class Enumeration<X, Y> : IComparable where X : IComparable { public Enumeration(X value, Y displayName) { } public Y DisplayName { get { return _displayName; } } public X Value { get { return _value; } } } And a class that inherits it would be: public class JobType : Enumeration<string, string> { public static JobType

问题 Bear with me, I'm a web developer attempting a WinForms application. When responding please do not comment on whether the purpose of my application is a "best practice" or not, etc... This is the application I need to write, for better or worse, and I cannot waste time explaining the "why". I ask that you please just reply with advice on (1) Is what I'm trying to do possible (2) What is the "best" way to accomplish what I'm trying to do. So, here's what I'm trying to do: I need to write a

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago . I have learned and checked the advantages of dynamic keyword in C# 4. Can any body tell me the disadvantages of this. Means dynamic vs Var / Object / reflection ??? Which thing is batter more. Is dynamic more

问题 We have a WPF application using PRISM, with a region of type TabControl. <TabControl prism:RegionManager.RegionName="{x:Static inf:RegionNames.ContentRegion}"> <TabControl.ItemContainerStyle> <Style TargetType="{x:Type TabItem}"> <Setter Property="Header" Value="{Binding TabName}" /> </Style> </TabControl.ItemContainerStyle> </TabControl> And we are registering views with _regionManager.RegisterViewWithRegion(RegionNames.ContentRegion, typeof(ContentView)); Problem is, this way the registered

问题 We have a WPF application using PRISM, with a region of type TabControl. <TabControl prism:RegionManager.RegionName="{x:Static inf:RegionNames.ContentRegion}"> <TabControl.ItemContainerStyle> <Style TargetType="{x:Type TabItem}"> <Setter Property="Header" Value="{Binding TabName}" /> </Style> </TabControl.ItemContainerStyle> </TabControl> And we are registering views with _regionManager.RegisterViewWithRegion(RegionNames.ContentRegion, typeof(ContentView)); Problem is, this way the registered

问题 I want to get the position of my wpf interface.This code can work in c#2.0,but Report an error in c#4.0.Here is the code. [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] static extern bool GetWindowRect(HandleRef hWnd, out RECT lpRect); [StructLayout(LayoutKind.Sequential)] public struct RECT { public int Left; public int Top; public int Right; public int Bottom; } Rectangle myRect = new Rectangle(); private void button1_Click(object sender, System.EventArgs e) { RECT rct;

问题 I am trying to upload file to DB server through Web API client VB class as below Public Class Uploads Public Property FileName As String Public Property uploadDateTime As DateTime Public Property File As Byte() End Class Then ASP.NET user upload the file using ASP.NET web form. After receieving this file we need to upload it to server through httpClient If FileUpload1.HasFile Then Dim newFile As New Uploads() newFile.FileName=FileUpload1.FileName newFile.uploadDateTime=DateTime.Now newFile

问题 I have a large winform application which we working to modify the appearance. I am replacing System.Windows.Forms.Toolbar to System.Windows.Forms.ToolStrip control. I use a custom renderer to change dropdown arrow color. with default renderer i get mouse hover effects in toolstrip but with my custom rendering it dont seem to work. Here's my code. Tool strip initialization:I removed unnecessary code for reading comfort this.toolStrip1 = new System.Windows.Forms.ToolStrip(); this.imageList1 =